TDA8190 Datasheet, PDF (3/11 Pages) STMicroelectronics – TV SOUND CHANNEL WITH DC CONTROLS

TDA8190
ELECTRICAL CHARACTERISTICS
(refer to the test circuit, VS = 24V, S1 : on, ∆f = ± 25kHz, VI = 1mV, P1 = 12kΩ, fo = 4.5MHz, fm = 400Hz,
Tamb = 25°C, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
DC CHARACTERISTICS
Vs
Supply Voltage (pin 18)
V_o
Quiescent Output Voltage (pin 17)
V₁
Pin 1 DC Voltage
V4
Pin 4 DC Voltage
I_d
Quiescent Drain Current
IF AMPLIFIER AND DETECTOR
P2 = 12kΩ
P₂ = 12kΩ, R₁ = 270kΩ
P2 = 12kΩ
10.8
27 _V
11 12 13
5.3
V
3.2
V
32
mA
Vi (threshold) Input Limiting Voltage at Pin 2 (–3dB)
V₉
AMR
Recovered Audio Voltage (pin 9)
Amplitude Modulation Rejection (*)
Ri
Input Resistance (pin 2)
C_i
Input Capacitance (pin 2)
R9
Deemphasis Resistance
DC VOLUME CONTROL
Vo = 4 Vrms
∆f = ± 7.5kHz, P₂ = 12kΩ
m = 0.3, V_i = 1mV, V_o = 4V_RMS
∆f = 0, P2 = 12kΩ
C1 = 68 to 888nF
50 100 µV
140 200 280 mV
60
dB
30
kΩ
6
pF
0.75 1.1 1.5 kΩ
K_v
Volume Attenuation
(resistance control)
V_c
Control Voltage
∆K_V
∆T_pins
Volume Attenuation Thermal Drift
(resistance control)
DC TONE CONTROL
P₂ = 0Ω
P₂ = 4.3kΩ
P₂ = 12kΩ
K = 0dB
K = 26dB
K = 88dB
T_pins = 25 to 85°C, P₂ = 4.3kΩ
0
dB
20 26 32 dB
88
dB
0
V
1.3
V
2.6
V
– 0.05
dB/^oC
K_T
Tone Cut
AUDIO FREQUENCY AMPLIFIER
S1 : Off, V₁₀ = 200 mV
14
dB
P₁ = 12kΩ to 100Ω, f_AF = 10kHz
P_o
Output Power (d = 10 %)
V_s = 24 V, R_L = 16 Ω
V_s = 12 V, R_L = 8 Ω
3.5 4.1
W
1.5
W
B
Frequency Response of Audio Amplifier P_o = 1W, R_L = 16Ω, S1 : Off,
15 50
kHz
(– 3dB)
V10 = 200mV, Vo = 4VRMS,
@400 Hz
SVR Supply Voltage Rejection
P₂ = 12kΩ, ∆f = 0, f_ripple = 120Hz
26
dB
V. C. R.
d
SVR
S+N
N
V10
R10
Total Harmonic Distortion of Pin 9
Output Signal
∆f = ± 7.5kHz, Vi = 1mV
Supply Voltage Rejection at Output Pin 9 ∆f = 0, f_ripple = 120Hz, P₂ = 12kΩ
Signal to Noise Ratio at Output Pin 9
∆f = 25 kHz, V_i ≥ 1 mV
Input Voltage (playback)
Input Resistance (playback)
Total Harmonic Distortion for 20dB
Overload of V₁₀
Vo = 4 Vrms, P2 = 0, S1 : Off
50
S1 : Off
10
S1 : Off, V₁₀ = 1V_rms, V_o = 4V_rms
0.5
%
66
dB
70
dB
70 100 mV
kΩ
0.5 3 %
3/11